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(2020 HU2)
Classification: Amor [NEO]          SPK-ID: 54016639
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3299912387276039 3.3742e-05  
a 1.519826253625434 7.7719e-05 au
q 1.018296905540844 7.938e-07 au
i 4.971020065647425 0.00039924 deg
node 215.2015294265958 7.2873e-06 deg
peri 18.47567192673302 0.00022248 deg
M 114.8726532469126 0.0088448 deg
tp 2458982.124711504900
(2020-May-12.62471150)
7.8197e-05 TDB
period 684.367441999073
1.87
0.052494
0.0001437
d
yr
n .5260332065891697 4.0349e-05 deg/d
Q 2.021355601710025 0.00010337 au
  Orbit Determination Parameters
   # obs. used (total)      78  
   # delay obs. used      0  
   # Doppler obs. used      1  
   data-arc span      17 days  
   first obs. used      2020-04-17  
   last obs. used      2020-05-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      5  
   norm. resid. RMS      .3921  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 22:25:12  

Additional Information
 Earth MOID = .017746 au 
 Jupiter MOID = 2.97659 au 
 T_jup = 4.440 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 26.5   .43863 MPO546171 autocmod 2.8

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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